<ion-header>
  <ion-navbar>
    <button ion-button menuToggle>
      <ion-icon name="menu"></ion-icon>
    </button>
    <ion-title>{{selectedItem.name}}</ion-title>
  </ion-navbar>
</ion-header>

<ion-content>
  <ion-card *ngFor="let item of loadeditems">
    <img src="{{item}}"/>
  </ion-card>
  <ion-infinite-scroll (ionInfinite)="doInfinite($event)">
    <ion-infinite-scroll-content></ion-infinite-scroll-content>
  </ion-infinite-scroll>
  <button ion-button full *ngIf="showNext" (click)="nextChapter()">下一章</button>
</ion-content>
